The Department of Homeland Security’s Inspector General has found “dangerous overcrowding” and unsanitary conditions at an El Paso, Texas, Border Patrol processing facility following an unannounced inspection, according to a not-yet released report obtained by CNN.

The IG found “standing room only conditions” at the El Paso Del Norte Processing Center, which has a maximum capacity of 125 migrants. On May 7 and 8, logs indicated that there were “approximately 750 and 900 detainees, respectively.”

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“We also observed detainees standing on toilets in the cells to make room and gain breathing space, thus limiting access to the toilets,” the report states.

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A cell with a maximum capacity of 12 held 76 detainees, another with a maximum capacity of eight held 41, and another with a maximum capacity of 35 held 155, according to the report.